08062021 Area and Perimeter MATHSWATCH CLIP 52 53

08/06/2021 Area and Perimeter MATHSWATCH CLIP 52, 53, 54, 55, 56 GRADE 2 L. O. To be able to § Find the perimeter of any polygon § Find the area of rectangles and triangles § Find the area of compound shapes, made of rectangles and triangles § Find the area of trapeziums and parallelograms Key Words polygon, area, perimeter, compound, length, width, height, squared, edge Starter Year 8 I have attached this powerpoint for examples and to support your learning. Follow how to do it and any questions you can email me on wbevis@yphub. org.

08/06/2021 Area and Perimeter MATHSWATCH CLIP 52, 53, 54, 55, 56 GRADE 2 Parallelograms § For any parallelogram… AREA = base × height =B×H § The base and height you use must be perpendicular height base

08/06/2021 Area and Perimeter MATHSWATCH CLIP 52, 53, 54, 55, 56 GRADE 2 Example 4. 9 cm 4. 5 cm 7 cm Area of a parallelogram =b×h = 7 × 4. 5 = 31. 5 cm 2 We can ignore this length

Area and Perimeter 08/06/2021 MATHSWATCH CLIP 52, 53, 54, 55, 56 GRADE 2 Task – Find the area of these parallelograms 2 1 2 cm 3 cm 4 cm 3 4 cm 4 3 cm 1 cm 5 cm

08/06/2021 Area and Perimeter MATHSWATCH CLIP 52, 53, 54, 55, 56 GRADE 2 The area of a kite is ½ the product of its diagonals. Area of rectangle = 4 + 4 Area of kite = ½ area of rectangle. height Area of kite = ½ base x height = ½ the product of the diagonals. base

08/06/2021 Area and Perimeter MATHSWATCH CLIP 52, 53, 54, 55, 56 GRADE 2 2 30 cm 1 2 8 m 6 cm 7 m 10 cm 3 40 mm 28 m 30 mm 600 mm 2 2

08/06/2021 Area and Perimeter MATHSWATCH CLIP 52, 53, 54, 55, 56 GRADE 2 Stretch and challenge You can now complete the extra sheets to stretch yourself